Clonal selection of herbaceous perennials for northern urban areas - Tuhkanen, Eeva-Maria; Juhanoja, Sirkka (International Society for Horticultural Science, 2010)
Keywords: Pu; perennat; viherrakentaminen; talvehtiminen; viherkasvit; puistot; landscaping; ground-covering; low-maintenance; ornamental value; overwintering; public green space; taxonomic identification